A recent study has provided the first side-by-side comparison of how three major COVID-19 vaccine types differ in triggering ...

The U.S. on Wednesday authorized its first update to COVID-19 vaccines, booster doses that target today's most common omicron strain. Shots could begin within days. The move by the Food and Drug ...

With the Delta variant in play, federal health officials are analyzing the latest numbers to look at the frequency and seriousness of COVID-19 breakthrough infections. Will we need booster shots? And ...

Pfizer and BioNTech said Wednesday that initial lab tests show that the omicron variant partly escapes protection offered by the companies' two-dose regimen of their COVID-19 vaccine. However, those ...

Johnson & Johnson says it's seeing significant benefits from its COVID vaccine booster shot. At the same time, some local researchers are trying to determine if combining the different vaccines might ...

The FDA's new COVID-19 vaccine approval limits eligibility to high-risk individuals, diverging from previous universal recommendations. Secretary Kennedy rescinded emergency use authorizations, ...

Changing leaves and dropping temperatures mean it’s officially autumn — which also brings the beginning of vaccine season. The guidance around COVID-19 vaccinations also has been changing, but here is ...

Experts are concerned about a potential viral resurgence this fall, winter. With the end of summer nearing, and Labor Day around the corner, U.S. health officials are preparing to roll out millions of ...

LOS ANGELES -- U.S. regulators issued new guidance this week shortening the time that people who received Moderna or Pfizer's COVID-19 vaccine have to wait for a booster, and it's different than the ...

WASHINGTON -- Moderna submitted its application to the U.S. Food and Drug Administration for emergency use authorization of its updated COVID-19 vaccine booster for use in people age 18 and older, the ...